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| User list | Rules | You are not logged in.
Pages: 1
I've not yet had an opportunity to run my Merlin head on battery power because the battery holders were missing when it was delivered. But I am due to receive a replacement tomorrow.
FWIW the Merlin worked fine using a 12V 500ma mains adapter.
I am interested in hearing about user experiences with batteries and battery life with the Merlin head.
What batteries are you using?
What would you reommend?
What sort of battery life are you getting?
Do you have/use an 8 battery charger?
Are you using very high speed chargers?
Last edited by mediavets (2008-11-04 00:44:53)
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I use Ni-mH batteries. I didn't yet make tests, but I think the (used) Nokia batteries will be the problem.
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mediavets wrote:
I've not yet had an opportunity to run my Merlin head on battery power because the battery holders were missing when it was delivered. But I am due to receive a replacement tomorrow.
I am interested in hearing about user experiences with batteries and battery life with the Merlin head.
What batteries are you using?
What would you reommend?
What sort of battery life are you getting?
Do you have/use an 8 battery charger?
Are you using very high speed chargers?
I tested a campact battery from a motorcycle - fixed it to a tripod-leg. Worked fine - would have done it constantly for some days i think . . 
For my N800 i´m gonna get a scond accu . . but here also i´m looking for a bigger one which connects at the load-jack.
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I wonder if it could not be possible to power the Nokia from the Merlin... Don't know if it requires a special electronic (constant curent source), or not...
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fma38 wrote:
I wonder if it could not be possible to power the Nokia from the Merlin... Don't know if it requires a special electronic (constant curent source), or not...
Would that not rather undermine the notion- and benefits - of having a wireless connection between the head and the Papywizard host system?
What aspect of Papywizard running on Nokia uses so much (most) power - is it the Bluetooth?
Ar people using genuine Nokia batteries in their Tablets or third party batteries?
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fma38 wrote:
I wonder if it could not be possible to power the Nokia from the Merlin... Don't know if it requires a special electronic (constant curent source), or not...
Seems some have found a way to extend battery autonomy for Nokia Tablets:
http://www.theinquirer.net/gb/inquirer/ … al-battery
http://blog.russnelson.com/770/N800-ext … ttery.html
http://www.internettablettalk.com/forum … hp?t=18860
Last edited by mediavets (2008-11-03 22:06:09)
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It is possible to use an "external battery" with the reference "EDC004U".
You can find it by a search on Google.
For France you can find-it by following the next link :
http://www.globale-batterie.com/advance … ds=EDC004U
Claude
Claude Offline
I just finished assembling my unit yesterday, so I can't speak to battery tests. ( A thanks to everyone who has written about their experiences, and a big thanks to Frederic for Papywizard!)
I was thinking of exploring the use of those rechargeable batteries used in cordless drills. They come in 9v or 12V and are relatively compact. My local recycle centre often has them for a couple of dollars. If they worked, it might be worth buying a new one.
My Nokia 770 came with a 12V car charger. I wonder if I could adapt it to run off of the Orion power out. It could be handy for emergencies.
Last edited by BeeZed (2008-11-03 23:27:58)
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Germany
http://www.akku-gigant.de/advanced_sear … =8&y=6
Claude
Claude Offline
claudevh wrote:
It is possible to use an "external battery" with the reference "EDC004U".
You can find it by a search on Google.
For France you can find-it by following the next link :
http://www.globale-batterie.com/advance … ds=EDC004U
Claude
And for the US:
http://www.digital-camera-battery.net// … DC004U.htm
And for the UK:
http://gogo-power.co.uk/product_info.ph … ts_id/2904
Last edited by mediavets (2008-11-04 00:31:51)
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If shooting using Papywizard on a Nokia Tablet is it worth shutting down the Bluetooth connection between pano shoots to extend battery autonomy - or does it make no difference?
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Yes, bluetooth uses a lot of current. Shutting it down is a good idea. As well as turning off the display (using the power button followed by the square button.
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fma38 wrote:
Yes, bluetooth uses a lot of current. Shutting it down is a good idea. As well as turning off the display (using the power button followed by the square button.
OK - thanks for the tips.
But that implies that it would be good to turn off the BT-RS232-TTL combo device interfacing with the Merlin head too? Currently there is only one way to do this - physically disconnect the RJ11 cable or turn off the whole head - would you advocate doing this too?
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Yes, better switch off the head.
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External lead acid battery packs - good for Merlin?:
http://www.opticalvision.co.uk/astronom … ower_tanks
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Yes, sure. 9V is enough.
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